Cardiff, United Kingdom 14-Day Forecast
76°
Patchy rain nearby right now
Today: high 80°, low 59°
Updated 1 min ago
Cardiff weather for the next 14 days
Saturday, July 18
Sunny High 76° Low 56°Precipitation
3%
· 0.0 in
Max wind
21 mph
Humidity
57%
UV index
7 - High
Sunrise / sunset
05:17 AM / 09:20 PM
Sunday, July 19
Sunny High 74° Low 53°Precipitation
4%
· 0.0 in
Max wind
15 mph
Humidity
55%
UV index
7 - High
Sunrise / sunset
05:18 AM / 09:19 PM
Monday, July 20
Sunny High 76° Low 52°Precipitation
3%
· 0.0 in
Max wind
15 mph
Humidity
53%
UV index
7 - High
Sunrise / sunset
05:19 AM / 09:18 PM
Tuesday, July 21
Sunny High 77° Low 55°Precipitation
4%
· 0.0 in
Max wind
14 mph
Humidity
59%
UV index
7 - High
Sunrise / sunset
05:21 AM / 09:17 PM
Wednesday, July 22
Partly Cloudy High 74° Low 59°Precipitation
5%
· 0.0 in
Max wind
7 mph
Humidity
59%
UV index
6 - High
Sunrise / sunset
05:22 AM / 09:15 PM
Thursday, July 23
Sunny High 75° Low 54°Precipitation
4%
· 0.0 in
Max wind
12 mph
Humidity
63%
UV index
6 - High
Sunrise / sunset
05:23 AM / 09:14 PM
Friday, July 24
Sunny High 79° Low 55°Precipitation
2%
· 0.0 in
Max wind
10 mph
Humidity
51%
UV index
7 - High
Sunrise / sunset
05:25 AM / 09:13 PM
Saturday, July 25
Sunny High 82° Low 58°Precipitation
1%
· 0.0 in
Max wind
11 mph
Humidity
48%
UV index
7 - High
Sunrise / sunset
05:26 AM / 09:11 PM
Sunday, July 26
Sunny High 89° Low 59°Precipitation
1%
· 0.0 in
Max wind
13 mph
Humidity
41%
UV index
8 - Very High
Sunrise / sunset
05:28 AM / 09:10 PM
Monday, July 27
Sunny High 74° Low 59°Precipitation
42%
· 0.04 in
Max wind
15 mph
Humidity
72%
UV index
6 - High
Sunrise / sunset
05:29 AM / 09:09 PM
Tuesday, July 28
Overcast High 65° Low 57°Precipitation
60%
· 0.04 in
Max wind
14 mph
Humidity
84%
UV index
5 - Moderate
Sunrise / sunset
05:31 AM / 09:07 PM
Wednesday, July 29
Patchy rain nearby High 68° Low 59°Precipitation
74%
· 0.12 in
Max wind
6 mph
Humidity
79%
UV index
5 - Moderate
Sunrise / sunset
05:32 AM / 09:06 PM
Thursday, July 30
Patchy rain nearby High 73° Low 59°Precipitation
36%
· 0.01 in
Max wind
12 mph
Humidity
71%
UV index
6 - High
Sunrise / sunset
05:33 AM / 09:04 PM
Cardiff 14-day outlook: the story
The warmest day of Cardiff's 14-day outlook is Sunday, July 26 with a high near 89°F (32°C); the coolest night comes Monday, July 20, dipping to 52°F (11°C). Temperatures hold fairly steady from week to week. Highs over the next two weeks average 76°F (24°C), about 7°F (4°C) above the typical July high of 69°F (20°C).
Precipitation is most likely on Friday 17, Tuesday 28, Wednesday 29; the wettest day looks like Wednesday, July 29 with about 0.12 in (3.0 mm) expected. For the weekend, expect Saturday 76°F (24°C) and sunny / Sunday 74°F (23°C) and sunny.
For typical conditions month by month, see the Cardiff climate & average temperatures guide.
Cardiff forecast questions
Will it rain in Cardiff this week?
The forecast currently shows meaningful precipitation chances on 3 of the next 14 days, peaking around Wednesday, July 29.
What will be the warmest day in Cardiff over the next 14 days?
Sunday, July 26, with a forecast high near 89°F (32°C).
How accurate is a 14-day forecast for Cardiff?
Days 1-3 are highly reliable, days 4-7 capture the overall pattern well, and days 8-14 indicate trends rather than exact figures - check back as the date approaches; this page refreshes throughout the day.
Average temperatures in Cardiff by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 46° | 37° | 15 | 4.0 in | 4.1 h/day | 87% |
| February | 48° | 38° | 14 | 4.2 in | 5.3 h/day | 84% |
| March | 50° | 39° | 16 | 4.2 in | 6.9 h/day | 81% |
| April | 55° | 41° | 11 | 2.6 in | 9.8 h/day | 76% |
| May | 61° | 47° | 12 | 3.3 in | 11.1 h/day | 77% |
| June | 66° | 53° | 12 | 2.6 in | 11.7 h/day | 76% |
| July | 69° | 56° | 15 | 3.4 in | 11.4 h/day | 77% |
| August | 68° | 56° | 15 | 4.0 in | 10.0 h/day | 80% |
| September | 64° | 53° | 13 | 4.1 in | 8.5 h/day | 82% |
| October | 58° | 48° | 16 | 5.4 in | 6.3 h/day | 84% |
| November | 51° | 43° | 15 | 4.4 in | 4.4 h/day | 87% |
| December | 49° | 41° | 17 | 5.6 in | 3.3 h/day | 89% |
14-day forecasts nearby